An online gambling site is taking bets on whether Heather Mills’s artificial leg will fall off during her upcoming appearance on Dancing with the Stars.

Mills, 39, the estranged wife of Beatle Paul McCartney, lost her left leg below the knee in a traffic accident in 1993. She is the first contestant on the hit US television show to compete with an artificial limb.

A week before Mills’s March 19 debut, Antigua-based gaming site http://www.bodog.com opened bets on whether her ...